Tag #3D Printed Guns

What specific actions and evidence led to the arrest of Luigi Mangione for the murder of Brian Thompson?

Luigi Mangione, a 26-year-old with a high IQ and impressive academic background, was arrested for the murder of UnitedHealthcare CEO Brian Thompson. His capture followed a cross-country manhunt, ending at a Pennsylvania McDonald's where he was identified through surveillance footage and incriminating evidence found in his possession. This evidence included a 3D-printed gun and silencer, ammunition matching that found at the crime scene, and a handwritten note expressing intentions to take revenge on health insurance companies.